Mathematics, 02.12.2020 06:00 alexbrafford
A bricklayer can build a wall of a certain size in 5 hours. Another bricklayer can do the same job in 4 hours. If the bricklayers work together, how long would it take to do the job?
a. 9h
b. 2(2/9)h
c. 20h
d. 4(1/2)h
Answers: 1
Another question on Mathematics
Mathematics, 21.06.2019 15:00
The radius of the base of a cylinder is 10 centimeters, and its height is 20 centimeters. a cone is used to fill the cylinder with water. the radius of the cone's base is 5 centimeters, and its height is 10 centimeters.
Answers: 1
Mathematics, 21.06.2019 18:00
Janie has $3. she earns $1.20 for each chore she does and can do fractions of chores. she wants to earn enough money to buy a cd for $13.50. write an inequality to determine the number of chores, c, janie could do to have enough money to buy the cd.
Answers: 2
Mathematics, 21.06.2019 18:30
Ametal rod needs to be 9 feet and 5.5 inches in length. the sections of the poles being used are each 1 foot and 10.5 inches long. how many 1ft 10.5in sections would be needed to complete the 9ft 5.5in metal rod? and how many inches of material will be left?
Answers: 1
Mathematics, 21.06.2019 19:00
Which shows the correct substitution of the values a,b and c from the equation 1=-2x+3x^2+1
Answers: 1
You know the right answer?
A bricklayer can build a wall of a certain size in 5 hours. Another bricklayer can do the same job i...
Questions
Mathematics, 31.10.2020 23:10
Physics, 31.10.2020 23:10
Mathematics, 31.10.2020 23:10
Computers and Technology, 31.10.2020 23:10
Computers and Technology, 31.10.2020 23:10
Business, 31.10.2020 23:10
Mathematics, 31.10.2020 23:10
Engineering, 31.10.2020 23:10
History, 31.10.2020 23:10
English, 31.10.2020 23:10
Mathematics, 31.10.2020 23:10
